Spinodal Points S.J.T.0. Phase Transformation and Applications Page 8/40 Spinodal points A special significance in the study of phase transformations 1050 GM -RT(1+)-20=0 1000 XA XB 号气 850 Spinodal RT 800 line XAXB 750 2而 -,1000m 700 1+a2 650 600 0.25 0.75 Figure 9.15 The miscibility gap,showing spinodal line SJTU Thermodynamics of Materials Fall 2011 @X.J.Jin Lecture 16 Phase Diagram IllPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2011 © X. J. Jin Lecture 16 Phase Diagram III Page 8/40 Spinodal points A special significance in the study of phase transformations ) 2 0 1 1 ( 2 2 = + − = ⎟⎟⎠⎞ ⎜⎜⎝⎛ ∂∂ ϖ B T A B M x x RT xG 2ϖ RT x xA B = Spinodal Points